May 7, 2004
Site Lighting Upgrade Program
By Luda Fieguth
The Site Engineering and Maintenance Department (SEM) continues to
implement the Site Lighting Upgrade Program. This program encompasses
replacement of all outdated energy-inefficient lighting assemblies.
Priority is given to replacement of incandescent lamps (the least
energy-efficient) and outdated T12/electromagnetic-ballasts assemblies
(their production will be discontinued after July 1, 2010).
In 2002-03, SEM implemented two phases of the Klystron Gallery Lighting
Upgrade project in collaboration with the Waste Management (WM) team
from ES&H. As a result 1,995 incandescent bulbs and 360
energy-inefficient fluorescent lamps/magnetic-ballasts lighting fixtures
were replaced with new, energy efficient T8/electronic-ballast lighting
fixtures. Most of the old materials including lamps, tubes, ballasts and
sheet metal housings were recycled.
The project resulted in an estimated total annual electrical energy
saving of 4.4 gigawatt-hours. This represents a reduction in carbon
dioxide emission of 2,699 metric tons/year. There is also a significant
maintenance cost savings resulting from extended lamp-life of the new
The project funding was a combination of DOE Federal Energy Management
Program funds and the California Energy Commission (CEC) grant
reimbursements. The estimated payback on the investment is less than
three years. All of those concerned with energy management at SLAC
appreciate the efforts and contributions of all the people who supported
the Klystron Gallery Lighting Upgrade project.
In 2004, additional lighting upgrade projects are on the way. This
includes replacement of outdated fluorescent lamps and ballasts and
installation of occupancy sensors in the Central Lab and Annex (Bldgs.
40 and 84) and in the high-bay area of the Test Lab (Bldg. 44). These
projects will save an estimated 430 megawatt-hours of electrical energy
Please submit your energy conservation ideas on the Energy Management
The Stanford Linear Accelerator Center is
managed by Stanford University for the
US Department of Energy
Tuesday May 04, 2004 by